Finding the Third Proportional to 62,172.56 and 134,110.69

Step by Step Solution

1. Step 1: Write the proportion equation
   62,172.56 : 134,110.69 = 134,110.69 : x
2. Step 2: Convert to fraction form
   62,172.56/134,110.69 = 134,110.69/x
3. Step 3: Cross multiply
   62,172.56x = 134,110.69 × 134,110.69
4. Step 4: Simplify right side
   62,172.56x = 17,985,676,501.72
5. Step 5: Solve for x
   x = 17,985,676,501.72/62,172.56
6. Step 6: Final answer
   x = 289,286.40